Using trunk rev 12372. I've tested both the original svg file with live preview toggling and the documented steps to reproduce in comment #5. There is no crash in this version and it may be fixed. Please test with windows version to make sure and set back to Confirmed if bug reappears.
** Changed in: inkscape Status: Triaged => Fix Committed -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to inkscape in Ubuntu. https://bugs.launchpad.net/bugs/237863 Title: crash when toggling "Live preview" in the extension dialog Status in Inkscape: A Vector Drawing Tool: Fix Committed Status in “inkscape” package in Ubuntu: Triaged Bug description: With the attached document opened. Effects/Render/LateX formula with any entry (eg $\pi$) opens a dialog. If option "Live Preview" is selected, then deselected, the application crashes with, in the terminal: ** ERROR:(xml/simple-document.cpp:51):virtual Inkscape::XML::Event* Inkscape::XML::SimpleDocument::commitUndoable(): assertion failed: (_in_transaction) Aborted This error is reproductible. However, the same manipulation with a new empty document does not crash, even if the latex formula is not displayed. Inkscape 0.46, ubuntu package. To manage notifications about this bug go to: https://bugs.launchpad.net/inkscape/+bug/237863/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp